Can opener



FIG. 1 is a perspective view from front right of a can opener showing my new design.

FIG. 2 is a bottom view.

FIG. 3 is a left view.

FIG. 4 is a right view.

FIG. 5 is a side view.

FIG. 6 is an opposite side view from that shown in FIG. 5; and,

FIG. 7 is a top view.

The broken lines in the drawings are included for the purpose of showing portions of the can opener that form no part of the claimed design. 

CLAIM The ornamental design for a can opener, as shown and described. 